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Phrase(s): grind something out
1. Lit. to produce something by grinding. • Working hard, he ground the powder out, a cup at a time. • He ground out the powder, a cup at a time. 2. Fig. to produce something in a mechanical or perfunctory manner. • The factory just keeps grinding these toys out, day after day. • The machine grinds out the same part by the hundreds all day long.
McGrawhill's American Idioms And Phrasal Verbs